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Treadmills That Require No Electricity Manual treadmills don't require electricity to turn their belts, unlike motorized treadmills. They are excellent for saving energy and giving you the freedom to exercise outside. This model comes with a cushioned deck for running, as well as a simple display which tracks distance, speed and calories burned. It also features an angled belt and deck, which helps improve running technique by reducing steps. Manual treadmills Manual treadmills are powered by